I don't plan to game at all or do any VR related things. My primary usage will be of the following programs: Adobe suite - Illustrator, Photoshop, After effects, Premiere Final Cut Pro Logic All video or photo related work. So, should I save money and go with the 575 4gb video card? I'll be bumping up to the i7 processor and, obviously, i'd love to get the 580, but do I even need it? Secondly: Is the RAM still user up-gradable in the new imacs? I figured if i get the fastest processor and bump the RAM up to 32GB then I don't need the fastest GPU. AFAIK, the above mentioned programs aren't the most GPU heavy, but more CPU and RAM heavy. Thank you for any help. You guys are far more knowledgeable about this stuff than I.